.blog-inner{width:100%;max-width:1100px;margin-inline:auto;padding-inline:16px}@media (min-width:1024px){.blog-inner{padding-inline:clamp(32px,4vw,72px)}}.blog-hero{background:radial-gradient(45% 80% at 10% 0%, color-mix(in srgb, var(--color-saffron) 12%, transparent), transparent 70%), var(--tone-bg);padding:136px 0 72px;position:relative;overflow:clip}.blog-title{letter-spacing:-.04em;text-wrap:balance;max-width:14ch;margin-top:14px;font-size:clamp(2.4rem,1rem + 4vw,5.2rem);font-weight:700;line-height:.98}.blog-sub{max-width:44ch;color:var(--tone-muted);margin-top:20px;font-size:clamp(17px,.95rem + .35vw,21px);line-height:1.5}.blog-topics{flex-wrap:wrap;gap:8px;margin-top:28px;display:flex}.blog-topics li{border:1px solid var(--tone-line);border-radius:var(--radius-pill);color:var(--tone-muted);padding:6px 14px;font-size:14px;font-weight:600}.blog-rss{margin-top:20px;font-size:14px}.blog-rss a{color:var(--tone-muted);text-underline-offset:3px;text-decoration:underline}.blog-list{background:var(--tone-bg);padding:56px 0 120px}.post-card a{gap:18px;display:grid}.post-card-cover{aspect-ratio:3/2;background:var(--color-mist);border-radius:22px;display:block;overflow:hidden}.post-card-cover img{object-fit:cover;width:100%;height:100%;transition:scale .6s var(--ease-settle)}.post-card a:hover .post-card-cover img{scale:1.04}.post-card-text{align-content:start;gap:10px;display:grid}.post-card-meta{color:var(--tone-muted);flex-wrap:wrap;align-items:center;gap:4px 10px;font-size:14px;display:flex}.post-card-topic{border-radius:var(--radius-pill);background:var(--color-petrol-tint);color:var(--color-petrol);letter-spacing:.04em;padding:2px 10px;font-size:12px;font-weight:700}.post-card-title{letter-spacing:-.025em;text-wrap:balance;max-width:26ch;transition:color var(--duration-settle) var(--ease-settle);font-size:clamp(1.35rem,1rem + .8vw,1.75rem);font-weight:700;line-height:1.12}.post-card a:hover .post-card-title{color:var(--color-petrol)}.post-card-description{max-width:60ch;color:var(--tone-muted);font-size:16px;line-height:25px}.post-card[data-featured]{border-bottom:1px solid var(--tone-line);margin-bottom:56px;padding-bottom:56px}.post-card[data-featured] .post-card-title{letter-spacing:-.035em;font-size:clamp(1.9rem,1rem + 1.6vw,2.8rem);line-height:1.04}.post-card-when{white-space:nowrap}.post-card[data-featured] .post-card-description{font-size:18px;line-height:28px}@media (min-width:900px){.post-card[data-featured] a{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;gap:48px}}.post-card-more{justify-self:start;align-items:center;gap:8px;margin-top:6px;font-size:15px;font-weight:600;display:inline-flex}.post-card-more:after{content:"";background:var(--color-saffron);border-radius:50%;width:8px;height:8px}.post-grid{gap:48px 32px;display:grid}@media (min-width:640px){.post-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}@media (min-width:1024px){.blog-list .post-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}.post{background:var(--tone-bg);padding:128px 16px 96px;display:block}.post-topic{color:var(--color-petrol);font-weight:600}.post-cover{aspect-ratio:3/2;background:var(--color-mist);border-radius:28px;max-width:1100px;margin:48px auto 0;overflow:hidden}@media (min-width:1024px){.post-cover{aspect-ratio:2}}.post-cover img{object-fit:cover;width:100%;height:100%}.post-layout{max-width:720px;margin-inline:auto}@media (min-width:1180px){.post-layout[data-toc]{grid-template-columns:220px 720px;gap:64px;width:fit-content;max-width:none;display:grid;translate:-142px}}.post-toc{margin-top:40px}.post-toc ol{counter-reset:toc;gap:2px;display:grid}.post-toc li{counter-increment:toc}.post-toc a{color:var(--tone-muted);transition:color var(--duration-settle) var(--ease-settle);gap:10px;padding:6px 0;font-size:15px;line-height:21px;display:flex}.post-toc a:before{content:counter(toc, decimal-leading-zero);font-variant-numeric:tabular-nums;color:var(--color-saffron);flex:none;font-size:12px;font-weight:700;translate:0 2px}.post-toc a:hover{color:var(--tone-fg)}.post-toc-fold{border:1px solid var(--tone-line);border-radius:18px;padding:14px 18px}.post-toc-fold summary{cursor:pointer;font-size:15px;font-weight:700}.post-toc-fold ol{margin-top:10px}.post-toc-side{display:none}.post-toc-label{letter-spacing:.1em;text-transform:uppercase;color:var(--tone-muted);margin-bottom:8px;font-size:12px;font-weight:700}@media (min-width:1180px){.post-toc{margin-top:48px}.post-toc-fold{display:none}.post-toc-side{display:block;position:sticky;top:120px}}.post-body h2{scroll-margin-top:104px}@media (min-width:1024px){.post{padding-top:160px}}.post-inner{max-width:720px;margin-inline:auto}.post-meta{color:var(--tone-muted);font-size:14px}.post-meta a{color:var(--tone-fg);font-weight:600}.post-title{letter-spacing:-.04em;text-wrap:balance;margin-top:16px;font-size:clamp(2.3rem,1rem + 3.2vw,4.2rem);font-weight:700;line-height:1}.post-lead{color:var(--tone-muted);margin-top:20px;font-size:clamp(19px,1rem + .4vw,23px);line-height:1.5}.post-body{margin-top:40px;font-size:18px;line-height:30px}@media (min-width:1180px){.post-layout[data-toc] .post-body{margin-top:48px}}.post-body>*+*{margin-top:18px}.post-body h2{letter-spacing:-.025em;margin-top:52px;font-size:clamp(1.5rem,1rem + .9vw,2rem);font-weight:700;line-height:1.15}.post-body h3{margin-top:36px;font-size:21px;font-weight:700}.post-body p,.post-body li{color:color-mix(in srgb, var(--tone-fg) 84%, transparent)}.post-body ul,.post-body ol{gap:10px;padding-inline-start:24px;display:grid}.post-body ul{list-style:outside}.post-body ol{list-style:decimal}.post-body strong{color:var(--tone-fg);font-weight:700}.post-body a{color:var(--color-petrol);text-underline-offset:3px;text-decoration:underline}.post-table{margin-inline:-16px;padding-inline:16px;overflow-x:auto}@media (min-width:900px){.post-table:has(.lights-table){margin-inline:-80px;padding-inline:0}}.post-table table{border-collapse:collapse;width:100%;font-size:15px;line-height:22px}.post-table th,.post-table td{border-bottom:1px solid var(--tone-line);text-align:start;vertical-align:top;padding:14px 12px}.post-table .lights-table{min-width:640px}.post-table thead th{letter-spacing:.08em;text-transform:uppercase;color:var(--tone-muted);font-size:12px;font-weight:600}.post-table tbody th{white-space:nowrap;font-weight:600}.post-table td{color:color-mix(in srgb, var(--tone-fg) 80%, transparent)}.light-cell{align-items:center;gap:12px;display:inline-flex}.light-glyph{background:var(--color-ink);object-fit:contain;border-radius:10px;flex:none;width:36px;height:36px;padding:4px}@media (max-width:639px){.post-table:has(.lights-table){margin-inline:0;padding-inline:0;overflow:visible}.post-table .lights-table{min-width:0}.lights-table thead{display:none}.lights-table,.lights-table tbody,.lights-table tr,.lights-table th,.lights-table td{display:block}.lights-table tr{border-bottom:1px solid var(--tone-line);padding:18px 0}.lights-table th,.lights-table td{border:0;padding:0}.lights-table tbody th{white-space:normal;font-size:17px}.lights-table td{margin-top:10px}.lights-table td:before{content:attr(data-label);letter-spacing:.08em;text-transform:uppercase;color:var(--tone-muted);font-size:11px;font-weight:600;display:block}}.app-note{border-radius:var(--radius-card);background:var(--color-petrol-tint);color:var(--color-petrol-deep);gap:8px;margin-top:40px;padding:22px 24px;display:grid}.app-note-label{letter-spacing:.1em;text-transform:uppercase;color:var(--color-petrol);align-items:center;gap:8px;font-size:12px;font-weight:700;display:inline-flex}.app-note-label:before{content:"";background:var(--color-saffron);border-radius:50%;width:8px;height:8px}.post-body .app-note p{color:var(--color-petrol-deep)}.post-cta{background:radial-gradient(60% 80% at 100% 100%, color-mix(in srgb, var(--color-petrol-glow) 14%, transparent), transparent 70%), var(--tone-bg);padding:88px 16px 96px}.post-cta-title{letter-spacing:-.04em;text-wrap:balance;font-size:clamp(2rem,1rem + 2.4vw,3.4rem);font-weight:700;line-height:1}.post-cta-sub{color:var(--tone-muted);margin-top:16px;font-size:18px}.post-cta-actions{flex-wrap:wrap;align-items:center;gap:20px 28px;margin-top:32px;display:flex}.post-cta-link{text-underline-offset:4px;font-weight:600;text-decoration:underline}.post-more{background:var(--tone-bg);padding:24px 0 112px}.post-more-title{border-top:1px solid var(--tone-line);letter-spacing:-.03em;margin-bottom:32px;padding-top:56px;font-size:clamp(1.6rem,1rem + 1.2vw,2.4rem);font-weight:700}.post-body .post-figure{margin-block:36px}@media (min-width:900px){.post-body .post-figure{margin-inline:-48px}}.post-figure figcaption{color:var(--tone-muted);margin-top:12px;padding-inline:4px;font-size:14px;line-height:21px}.post-figure-source{margin-top:4px;font-size:13px;display:block}.post-figure-source a{color:inherit}.post-photo{border-radius:20px;width:100%;height:auto}.chart{background:var(--color-mist);border-radius:20px;width:100%;height:auto;padding:20px 16px 12px;font-family:inherit;display:block;overflow:visible}.chart-grid{stroke:var(--color-hairline);stroke-width:1px}.chart-axis{fill:var(--color-grey);font-variant-numeric:tabular-nums;font-size:13px}.chart-label{fill:var(--color-grey);font-size:13px}.chart-label-strong{fill:var(--color-ink);font-size:14px;font-weight:700}.chart-accent{fill:var(--color-petrol)}.chart-bar{fill:color-mix(in srgb, var(--color-petrol) 22%, var(--color-white))}.chart-line{fill:none;stroke:var(--color-petrol);stroke-width:3.5px;stroke-linecap:round;stroke-linejoin:round}.chart-dot{fill:var(--color-white);stroke:var(--color-petrol);stroke-width:3px}.chart-fill{fill:var(--kind)}.chart-limit{stroke:var(--color-ink);stroke-width:1.5px;stroke-dasharray:6 6;opacity:.45}.chart-driver{stroke-width:3px;stroke-linecap:round;opacity:.25}.chart-driver-done{stroke-width:4px;stroke-linecap:round}[data-driver=a] :is(.chart-driver,.chart-driver-done){stroke:var(--color-petrol)}[data-driver=b] :is(.chart-driver,.chart-driver-done){stroke:var(--color-saffron)}.chart-due{fill:var(--color-white);stroke-width:4px}[data-driver=a] .chart-due{stroke:var(--color-petrol)}[data-driver=b] .chart-due{stroke:var(--color-saffron)}.chart-legend{color:var(--tone-muted);flex-wrap:wrap;gap:6px 20px;margin-top:10px;padding-inline:4px;font-size:13px;display:flex}.post-body .chart-legend{color:var(--tone-muted)}.chart-legend span{align-items:center;gap:8px;display:inline-flex}.chart-legend span:before{content:"";background:color-mix(in srgb, var(--color-petrol) 22%, var(--color-white));border-radius:3px;width:14px;height:10px}.chart-legend span[data-kind=line]:before{background:var(--color-petrol);height:3px}.chart [data-kind=fuel]{--kind:var(--color-petrol)}.chart [data-kind=repair]{--kind:#e3a33b}.chart [data-kind=other]{--kind:#b9c0c7}.habit-chart{background:var(--color-mist);border-radius:20px;gap:14px;padding:22px 20px;display:grid}.habit-chart li{gap:6px;display:grid}.habit-chart-label{color:var(--color-ink);justify-content:space-between;gap:12px;font-size:15px;font-weight:600;line-height:20px;display:flex}.habit-chart-value{font-variant-numeric:tabular-nums;color:var(--color-petrol);flex:none}.habit-chart-track{background:color-mix(in srgb, var(--color-ink) 7%, transparent);border-radius:6px;height:12px;overflow:hidden}.habit-chart-bar{background:linear-gradient(90deg, var(--color-petrol), #2f8f81);border-radius:6px;height:100%;display:block}.post-body :is(ul.habit-chart,ol.renewal-timeline){padding-inline:20px;list-style:none}.post-body :is(ul.light-colours,ul.cost-split-legend){padding-inline-start:0;list-style:none}.cost-split{background:var(--color-mist);border-radius:20px;padding:20px}.cost-split-bar{width:100%;height:56px;display:block}.cost-split [data-kind=fuel]{--kind:var(--color-petrol)}.cost-split [data-kind=repair]{--kind:#e3a33b}.cost-split [data-kind=other]{--kind:#b9c0c7}.post-body .cost-split-legend{flex-wrap:wrap;gap:10px 28px;margin-top:16px;display:flex}.cost-split-legend li{grid-template-columns:auto 1fr;column-gap:8px;display:grid}.cost-split-legend li:before{content:"";background:var(--kind);border-radius:4px;grid-row:span 2;width:12px;height:12px;margin-top:5px}.post-body .cost-split-name{color:var(--color-ink);font-size:15px;font-weight:700;line-height:22px}.post-body .cost-split-value{color:var(--color-grey);font-variant-numeric:tabular-nums;grid-column:2;font-size:14px;line-height:20px}.light-colours{gap:12px;display:grid}@media (min-width:640px){.light-colours{grid-template-columns:repeat(3,minmax(0,1fr))}}.light-colours li{background:var(--color-ink);color:var(--color-white);border-radius:20px;gap:4px;padding:20px;display:grid}.post-body .light-colours li{color:var(--color-white)}.light-colours-glyphs{gap:8px;margin-bottom:10px;display:flex}.light-colours-glyphs img{width:44px;height:44px}.light-colours-title{letter-spacing:.08em;text-transform:uppercase;font-size:13px;font-weight:700}[data-tone-light=red] .light-colours-title{color:#ff6b5e}[data-tone-light=amber] .light-colours-title{color:var(--color-saffron)}[data-tone-light=info] .light-colours-title{color:#6fd3a8}.light-colours-say{letter-spacing:-.01em;font-size:20px;font-weight:700}.tyre-wall{fill:#262b2a}.tyre-tread{fill:#161a19}.tyre-code text{letter-spacing:.1em;fill:#8f9795;font-size:28px;font-weight:700}.tyre-digits{letter-spacing:.08em;fill:var(--color-ink);font-variant-numeric:tabular-nums;font-size:30px;font-weight:800}.tyre-highlight{fill:var(--color-saffron)}.tyre-pointer{stroke:var(--color-ink);stroke-width:1.5px}.renewal-timeline{background:var(--color-mist);border-radius:20px;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;padding:24px 20px 20px;display:grid;position:relative}.renewal-timeline:before{content:"";inset-inline:28px;background:var(--color-hairline);height:2px;position:absolute;top:31px}.renewal-timeline li{color:var(--color-ink);gap:10px;font-size:14px;font-weight:600;line-height:19px;display:grid;position:relative}.post-body .renewal-timeline li{color:var(--color-ink)}.renewal-dot{background:var(--color-petrol);width:16px;height:16px;box-shadow:0 0 0 4px var(--color-mist);border-radius:50%}.renewal-timeline li[data-last] .renewal-dot{background:var(--color-saffron)}.takeaways{border:1px solid var(--tone-line);border-inline-start:4px solid var(--color-saffron);border-radius:6px 20px 20px 6px;margin-block:8px 36px;padding:22px 24px}.takeaways-label{letter-spacing:.1em;text-transform:uppercase;color:var(--tone-muted);font-size:12px;font-weight:700}.post-body .takeaways ul{margin-top:10px}.mpg-grid{background:var(--color-mist);border-radius:20px;grid-template-columns:repeat(auto-fill,minmax(124px,1fr));gap:8px;padding:16px;display:grid}.mpg-grid div{background:var(--color-white);font-variant-numeric:tabular-nums;border-radius:14px;gap:2px;padding:12px 14px;display:grid}.post-body .mpg-grid dt{color:var(--color-grey);font-size:13px;line-height:18px}.post-body .mpg-grid dd{color:var(--color-ink);font-size:18px;font-weight:700;line-height:24px}.post-body .sources{border-top:1px solid var(--tone-line);margin-top:48px;padding-top:20px;font-size:14px;line-height:22px}.post-body .sources li{color:var(--tone-muted)}.habit-chart .habit-chart-axis{font-variant-numeric:tabular-nums;color:var(--color-grey);justify-content:space-between;font-size:12px;display:flex}.post-body .habit-chart .habit-chart-axis{color:var(--color-grey)}